Genuine OEM Volkswagen Engine Radiator Air Duct, part number 5H0121283N. This component is designed to efficiently direct ambient airflow to the engine radiator, optimizing the cooling system's performance and preventing overheating. Positioned on the left side of the radiator assembly, it ensures proper air channeling. Weighing approximately 0.16 kg, this genuine OEM air duct provides the precise shape and fit required to maintain aerodynamic efficiency and effective heat exchange, crucial for engine longevity.